Switch tests to lightweight_test

test/Jamfile

@@ -1,8 +1,8 @@
-
-project : requirements <library>/boost/test//boost_test_exec_monitor ;
+# Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
+# Distributed under the Boost Software License, Version 1.0.
 
 test-suite tuple : 
     [ run tuple_test_bench.cpp ]
     [ run io_test.cpp ]
     [ run another_tuple_test_bench.cpp ]
-    ;
+    ;